Author ORCID Identifier

Stergiou - https://orcid.org/0000-0002-9737-9939

Document Type

Article

Publication Date

8-9-2010

Abstract

We appreciate the thoughtful commentary by Chastin and colleagues regarding our recent article entitled “Nonlinear Analysis of Ambulatory Activity Patterns in Community-dwelling Older Adults.” (1) We fully agree with their observation that the application of nonlinear analytical tools to accelerometry data is an emerging area of research that shows potential for illuminating the complex nature of physical activity profiles. We also welcome the opportunity to discuss their concerns regarding (a) our application of detrended fluctuation analysis (DFA), entropy rate, and approximate entropy to natural activity data and (b) our narrow focus on stepping activity.

Comments

This is a pre-copyedited, author-produced version of an article accepted for publication in The Journals of Gerontology following peer review. The version of record [insert complete citation information here] is available online at: https://doi.org/10.1093/gerona/glq140

Journal Title

Journals of Gerontology: Series A

Volume

65A

Issue

11

First Page

1256

Last Page

1258

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